AMD Radeon HD 8870 OEM vs NVIDIA GeForce RTX 5070
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Mar 2025
Generation
Sea Islands
GeForce 50
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1200 MHz
1750 MHz
Base Clock
-
2325 MHz
Boost Clock
-
2512 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
192bit
Bandwidth
153.6GB/s
672.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
6144
TMUs
80
192
ROPs
32
80
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
48 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
32.00 GPixel/s
201.0 GPixel/s
Texture Rate
80.00 GTexel/s
482.3 GTexel/s
FP32 (float)
2.560 TFLOPS
30.87 TFLOPS
FP64 (double)
160.0 GFLOPS
482.3 GFLOPS
FP16 (half)
-
30.87 TFLOPS
Graphics Processor
GPU Name
Pitcairn
GB205
GPU Variant
Pitcairn XT(215-0828047)
GB205-300-A1
Architecture
GCN 1.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
31.1 billion
Die Size
212 mm²
263 mm²
Board Design
TDP
175W
250W
Suggested PSU
450 W
600 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors
2x 6-pin
1x 16-pin
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.4
Shader Model
5.1
6.8
CUDA
-
12.0
📊 Benchmark
3DMark Time Spy
-
22,544
3DMark Time Spy Extreme
-
10,789
3DMark Speed Way
-
5,896
Blender
-
6,218