GPU Comparison
RADEON
AMD Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
Quadro K4200
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
784 MHz
TDP
108 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
Quadro K4200
Core Specs
Shading Units
2,048
1,344
-34.4%
Shaders
2,048
1,344
-34.4%
TMUs
128
112
-12.5%
ROPs
32
32
0.0%
Compute Units
32
—
Clocks
Base Clock
—
771 MHz
Boost Clock
—
784 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1350 MHz
5.4 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
256 bit
Bandwidth
264.0 GB/s
172.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
512 KB
Performance
Pixel Rate
29.60 GPixel/s
21.95 GPixel/s
Texture Rate
118.4 GTexel/s
87.81 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
2.107 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
87.81 GFLOPS (1:24)
Power
TDP
250 W
108 W
TDP (W)
250
108
-56.8%
Suggested PSU
600 W
300 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Tahiti
GK104
Generation
Southern Islands
(HD 7900)
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
4,313 million
3,540 million
Die Size
352 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.0M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
275 mm
10.8 inches
241 mm
9.5 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x DVI2x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Fermi
Successor
Sea Islands
Quadro Maxwell