GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
B200
CORE STATE
GB100
VRAM
90 GB
CLOCK SPEED
1965 MHz
TDP
1000 W
BUS WIDTH
4096 bit
ARCHITECTURE
Blackwell
PROCESS
5 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
B200
Core Specs
Shading Units
1,792
18,944
+957.1%
Shaders
1,792
18,944
+957.1%
TMUs
112
592
+428.6%
ROPs
32
24
-25.0%
Compute Units
28
—
SM Count
—
148
Clocks
Base Clock
—
700 MHz
Boost Clock
—
1965 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
3 GB
90 GB
VRAM (MB)
3,072
92,160
+2900.0%
Memory Type
GDDR5
HBM3e
Memory Bus
384 bit
4096 bit
Bandwidth
240.0 GB/s
4.10 TB/s
Cache
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
768 KB
50 MB
Performance
Pixel Rate
25.60 GPixel/s
47.16 GPixel/s
Texture Rate
89.60 GTexel/s
1,163.3 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
74.45 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
37.22 TFLOPS (1:2)
FP16 (TFLOPS)
—
1,191.2 TFLOPS (16:1)
AI/RT
Tensor Cores
—
592
Power
TDP
200 W
1000 W
TDP (W)
200
1,000
+400.0%
Suggested PSU
550 W
1400 W
Power Connectors
2x 6-pin
—
Architecture
Architecture
GCN 1.0
Blackwell
GPU Name
Tahiti
GB100
Generation
Southern Islands
(HD 7900)
Server Blackwell
(Bxx)
Process Size
28 nm
5 nm
Transistors
4,313 million
104,000 million
Die Size
352 mm²
—
Foundry
TSMC
TSMC
Density
12.3M / mm²
—
API Support
DirectX
12 (11_1)
—
OpenGL
4.6
—
Vulkan
1.2.170
—
OpenCL
2.1 (1.2)
3.0
CUDA
—
10.0
Shader Model
6.5 (5.1)
—
Physical
Slot Width
Dual-slot
SXM Module
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Other
Launch Price
449 USD
—
Production
End-of-life
Active
Predecessor
Northern Islands
Server Hopper
Successor
Sea Islands
Server Rubin