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
GeForce RTX 4090 D
CORE STATE
AD102
VRAM
24 GB
CLOCK SPEED
2520 MHz
TDP
425 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_metal
3dmark_3dmark_steel_nomad_dx12
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
RTX 4090 D
Core Specs
Shading Units
1,792
14,592
+714.3%
Shaders
1,792
14,592
+714.3%
TMUs
112
456
+307.1%
ROPs
32
176
+450.0%
Compute Units
28
—
SM Count
—
114
Clocks
Base Clock
—
2280 MHz
Boost Clock
—
2520 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1313 MHz
21 Gbps effective
Memory
Memory Size
3 GB
24 GB
VRAM (MB)
3,072
24,576
+700.0%
Memory Type
GDDR5
GDDR6X
Memory Bus
384 bit
384 bit
Bandwidth
240.0 GB/s
1.01 TB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
72 MB
Performance
Pixel Rate
25.60 GPixel/s
443.5 GPixel/s
Texture Rate
89.60 GTexel/s
1,149.1 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
73.54 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
1,149.1 GFLOPS (1:64)
FP16 (TFLOPS)
—
73.54 TFLOPS (1:1)
AI/RT
RT Cores
—
114
Tensor Cores
—
456
Power
TDP
200 W
425 W
TDP (W)
200
425
+112.5%
Suggested PSU
550 W
800 W
Power Connectors
2x 6-pin
1x 16-pin
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Tahiti
AD102
Generation
Southern Islands
(HD 7900)
GeForce 40
Process Size
28 nm
5 nm
Transistors
4,313 million
76,300 million
Die Size
352 mm²
609 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
125.3M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Triple-slot
Length
278 mm
10.9 inches
304 mm
12 inches
Height
111 mm
4.4 inches
137 mm
5.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
449 USD
1,599 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 30
Successor
Sea Islands
GeForce 50