GeForce RTX 4090 D vs Radeon HD 7870 GHz Edition
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 D and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 D Advantages
Released 11 years and 9 months late
Boost Clock2520MHz
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (1008GB/s vs 153.6GB/s)
13312 additional rendering cores
Radeon HD 7870 GHz Edition Advantages
Lower TDP (175W vs 425W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 D
+2772%
73540
Radeon HD 7870 GHz Edition
2560
Graphics Card
Dec 2023
Release Date
Mar 2012
GeForce 40
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2280 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
1200 MHz
Memory
24GB
Memory Size
2GB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
256bit
1008GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
114
SM Count
-
14592
Shading Units
1280
456
TMUs
80
176
ROPs
32
456
Tensor Cores
-
114
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
72 MB
L2 Cache
512 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
32.00 GPixel/s
1149 GTexel/s
Texture Rate
80.00 GTexel/s
73.54 TFLOPS
FP16 (half)
-
73.54 TFLOPS
FP32 (float)
2.560 TFLOPS
1149 GFLOPS
FP64 (double)
160.0 GFLOPS
Board Design
425W
TDP
175W
800 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 16-pin
Power Connectors
2x 6-pin
Graphics Processor
AD102
GPU Name
Pitcairn
AD102-250-A1
GPU Variant
Pitcairn XT
(215-0828047)
(215-0828047)
Ada Lovelace
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
2.8 billion
609 mm²
Die Size
212 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
5.1
