NVIDIA GeForce GTX 970 Vs AMD Radeon HD 7950 - Technical City

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	270	456
Place by popularity	90	not in top-100
Cost-effectiveness evaluation	12.12	2.17
Power efficiency	11.97	4.38
Architecture	Maxwell 2.0 (2014−2019)	GCN 1.0 (2012−2020)
GPU code name	GM204	Tahiti
Market segment	Desktop	Desktop
Design	no data	reference
Release date	19 September 2014 (11 years ago)	31 January 2012 (13 years ago)
Launch price (MSRP)	$329	$449

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

GTX 970 has 459% better value for money than HD 7950.

Performance to price scatter graph

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	1664	1792
Compute units	no data	28
Core clock speed	1050 MHz	no data
Boost clock speed	1178 MHz	1250 MHz
Number of transistors	5,200 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Power consumption (TDP)	148 Watt	200 Watt
Maximum GPU temperature	98 °C	no data
Texture fill rate	122.5	89.60
Floating-point processing power	3.92 TFLOPS	2.867 TFLOPS
ROPs	56	32
TMUs	104	112
L1 Cache	624 KB	448 KB
L2 Cache	2 MB	768 KB

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Bus support	PCI Express 3.0	PCIe 3.0 x16
Interface	PCIe 3.0 x16	PCIe 3.0 x16
Length	267 mm	267 mm
Height	4.376" (11.1 cm)	no data
Width	2-slot	2-slot
Recommended system power (PSU)	500 Watt	no data
Supplementary power connectors	2x 6-pin	2x 6-pin
SLI options	+	-

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	GDDR5	GDDR5
Maximum RAM amount	4 GB	3 GB
Memory bus width	256 Bit	384 Bit
Memory clock speed	7.0 GB/s	1250 MHz
Memory bandwidth	224 GB/s	240 GB/s
Shared memory	-	-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors	Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2	1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support	4 displays	no data
Eyefinity	-	+
Number of Eyefinity displays	no data	6
HDMI	+	+
HDCP	+	-
Maximum VGA resolution	2048x1536	no data
G-SYNC support	+	-
Audio input for HDMI	Internal	no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

AppAcceleration	-	+
CrossFire	-	+
FreeSync	-	+
PowerTune	-	+
ZeroCore	-	+
GameStream	+	-
GeForce ShadowPlay	+	-
GPU Boost	2.0	no data
GameWorks	+	-

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX	12 (12_1)	DirectX® 11
Shader Model	6.4	5.1
OpenGL	4.4	4.6
OpenCL	1.2	1.2
Vulkan	1.1.126	-
CUDA	+	-