GPU Comparison
GEFORCE
NVIDIA GeForce 7900 GT
CORE STATE
G71
VRAM
256 MB
CLOCK SPEED
—
TDP
48 W
BUS WIDTH
256 bit
ARCHITECTURE
Curie
PROCESS
90 nm
LAUNCH DATE
2006
VS
GEFORCE
GeForce RTX 4090 Max-Q
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1455 MHz
TDP
80 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
DETAILED SPECIFICATIONS
SPECIFICATION
7900 GT
RTX 4090 Max-Q
Core Specs
Shading Units
—
9,728
Shaders
—
9,728
TMUs
24
304
+1166.7%
ROPs
16
112
+600.0%
SM Count
—
76
Clocks
Base Clock
—
930 MHz
Boost Clock
—
1455 MHz
GPU Clock
450 MHz
—
Memory Clock
660 MHz
1320 Mbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
256 MB
16 GB
VRAM (MB)
256
16,384
+6300.0%
Memory Type
GDDR3
GDDR6
Memory Bus
256 bit
256 bit
Bandwidth
42.24 GB/s
576.0 GB/s
Cache
L1 Cache
—
128 KB (per SM)
L2 Cache
—
64 MB
Performance
Pixel Rate
7.200 GPixel/s
163.0 GPixel/s
Texture Rate
10.80 GTexel/s
442.3 GTexel/s
FP32 (TFLOPS)
—
28.31 TFLOPS
FP64 (TFLOPS)
—
442.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
28.31 TFLOPS (1:1)
AI/RT
RT Cores
—
76
Tensor Cores
—
304
Power
TDP
48 W
80 W
TDP (W)
48
80
+66.7%
Suggested PSU
200 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
Curie
Ada Lovelace
GPU Name
G71
AD103
Generation
GeForce 7 PCIe
(7900)
GeForce 40 Mobile
Process Size
90 nm
5 nm
Transistors
278 million
45,900 million
Die Size
196 mm²
379 mm²
Foundry
TSMC
TSMC
Density
1.4M / mm²
121.1M / mm²
API Support
DirectX
9.0c (9_3)
12 Ultimate (12_2)
OpenGL
2.1.2 (full)
3.x (partial)
4.6
Vulkan
—
1.4
OpenCL
—
3.0
CUDA
—
8.9
Shader Model
3.0
6.8
Physical
Slot Width
Single-slot
IGP
Outputs
2x DVI1x S-Video
Portable Device Dependent
Bus Interface
PCIe 1.0 x16
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
GeForce 6 PCIe
GeForce 30 Mobile
Successor
GeForce 8
GeForce 50 Mobile