GPU Comparison
RADEON
AMD Radeon HD 8790M
CORE STATE
Mars
VRAM
2 GB
CLOCK SPEED
900 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
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_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8790M
RTX 4090 D
Core Specs
Shading Units
384
14,592
+3700.0%
Shaders
384
14,592
+3700.0%
TMUs
24
456
+1800.0%
ROPs
8
176
+2100.0%
Compute Units
6
—
SM Count
—
114
Clocks
Base Clock
850 MHz
2280 MHz
Boost Clock
900 MHz
2520 MHz
Memory Clock
1000 MHz
4 Gbps effective
1313 MHz
21 Gbps effective
Memory
Memory Size
2 GB
24 GB
VRAM (MB)
2,048
24,576
+1100.0%
Memory Type
GDDR5
GDDR6X
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
1.01 TB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
72 MB
Performance
Pixel Rate
7.200 GPixel/s
443.5 GPixel/s
Texture Rate
21.60 GTexel/s
1,149.1 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
73.54 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
1,149.1 GFLOPS (1:64)
FP16 (TFLOPS)
—
73.54 TFLOPS (1:1)
AI/RT
RT Cores
—
114
Tensor Cores
—
456
Power
TDP
—
425 W
TDP (W)
—
425
Suggested PSU
—
800 W
Power Connectors
None
1x 16-pin
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Mars
AD102
Generation
Solar System
(HD 8700M)
GeForce 40
Process Size
28 nm
5 nm
Transistors
950 million
76,300 million
Die Size
77 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
MXM Module
Triple-slot
Length
—
304 mm
12 inches
Height
—
137 mm
5.4 inches
Outputs
Portable Device Dependent
1x HDMI 2.13x DisplayPort 1.4a
Bus Interface
MXM-A (3.0)
PCIe 4.0 x16
Other
Launch Price
—
1,599 USD
Production
End-of-life
End-of-life
Predecessor
London
GeForce 30
Successor
Gem System
GeForce 50