GeForce RTX 4080 vs Radeon HD 4870 X2
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 1024MB VRAM Radeon HD 4870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 14 years and 1 months late
Boost Clock2505MHz
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (716.8GB/s vs 115.2GB/s)
8928 additional rendering cores
Radeon HD 4870 X2 's Advantages
Lower TDP (286W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+3961%
48740
Radeon HD 4870 X2
1200
Graphics Card
Sep 2022
Release Date
Aug 2008
GeForce 40
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
256bit
Memory Bus
256bit
716.8GB/s
Bandwidth
115.2GB/s
Render Config
-
Compute Units
10
76
SM Count
-
9728
Shading Units
800
304
TMUs
40
112
ROPs
16
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
64 MB
L2 Cache
256 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
12.00 GPixel/s
761.5 GTexel/s
Texture Rate
30.00 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
1200 GFLOPS
761.5 GFLOPS
FP64 (double)
240.0 GFLOPS
Board Design
320W
TDP
286W
700 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 16-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
AD103
GPU Name
R700
AD103-300-A1
GPU Variant
R700 XT
(215-0669045)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
45.9 billion
Transistors
0.956 billion
379 mm²
Die Size
256 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
4.1