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 K2200
CORE STATE
GM107
VRAM
4 GB
CLOCK SPEED
1124 MHz
TDP
68 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
Quadro K2200
Core Specs
Shading Units
2,048
640
-68.8%
Shaders
2,048
640
-68.8%
TMUs
128
40
-68.8%
ROPs
32
16
-50.0%
Compute Units
32
—
Clocks
Base Clock
—
1046 MHz
Boost Clock
—
1124 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1253 MHz
5 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
128 bit
Bandwidth
264.0 GB/s
80.19 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
29.60 GPixel/s
17.98 GPixel/s
Texture Rate
118.4 GTexel/s
44.96 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
1,438.7 GFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
44.96 GFLOPS (1:32)
Power
TDP
250 W
68 W
TDP (W)
250
68
-72.8%
Suggested PSU
600 W
250 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Maxwell
GPU Name
Tahiti
GM107
Generation
Southern Islands
(HD 7900)
Quadro Kepler
(Kx200)
Process Size
28 nm
28 nm
Transistors
4,313 million
1,870 million
Die Size
352 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
Dual-slot
Single-slot
Length
275 mm
10.8 inches
202 mm
8 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